Move the ‘Validation.prototype.validateProperties’ method into a sepa…

…rate file

src/engines/json/validateProperties.js

@@ -0,0 +1,58 @@
+/**
+ * Validation.validateProperties
+ *
+ * @param {object} instance
+ * @param {object} schema
+ * @param {string} path
+ * @param {function} callback
+ */
+Validation.prototype.validateProperties = function(instance, schema, path, callback) {
+
+  // Save a reference to the ‘this’
+  var self = this;
+
+  // Goes
+  return each(schema.properties, function(property, propertyAttributes, callback) {
+
+    var isObject = propertyAttributes.type === 'object' && propertyAttributes.properties,
+        isArray =  propertyAttributes.type === 'array';
+
+    // Get the value of property (instance[property])
+    var propertyValue = self.getProperty(instance, property);
+
+    // Compose the property path
+    var propertyName = property.indexOf(' ') !== -1 ? '[\'' + property + '\']' : '.' + property,
+        propertyPath = path.length === 0 ? property : path + propertyName;
+
+    /**
+     * {
+     *   type: 'object',
+     *   properties: {
+     *     user: {
+     *       type: 'object',
+     *       properties: {
+     *         ...
+     *       }
+     *     }
+     *   }
+     * }
+     */
+    if (isObject || isArray)  {
+      return self.validateSchema(
+        propertyValue,
+        schema.properties[property],
+        propertyPath,
+        callback
+      );
+    } else {
+      return self.validateProperty(
+        propertyPath,
+        propertyValue,
+        propertyAttributes,
+        callback
+      );
+    }
+
+  }, callback);
+
+};